If there is any preventative maintnance that would also be ideal to factor in.

What occupancy rates are you using in your models - pre or post fee implementation? 

This prevents you from providing a financial benefit to the IRA and thus not blowing up the IRA via prohibited transactions.

Some houses have very specific problems preventing them from selling for top dollar that you can solve to force appreciation.

I literally had to explain this to someone just the other day who assumed any home could qualify.Posts like this help set the right expectations and prevent a lot of confusion (and bad advice) out there.

A location that I have STRs implemented an STR quota 2.5 years ago.  

I did implement specific financial calculations for BRRRs because I am interested in doing that for my next rental.

If you do end up segregating, keep good records to prevent having to recapture the depreciation of the reclassified assets.

We have to continue to network really help each other to gain or prevent them from unnecessary loopholes. 

Honestly, it isn't to pay for damages, it is used to prevent damages.